| 发明名称 |
Optical disc and optical disc address reading apparatus and method |
| 摘要 |
An optical disc having marks for dispersed addresses that can be easily detected with high precision. A dispersed address comprises synchronization marks, positive marks, and negative marks. Synchronization marks, positive marks, and negative marks are formed along a groove as partial discontinuities or partial modifications in the wobbled groove.
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| 申请公布号 |
US6912185(B2) |
申请公布日期 |
2005.06.28 |
| 申请号 |
US20030445796 |
申请日期 |
2003.05.28 |
| 申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
SHIGERU FURUMIYA;HIROMICHI ISHIBASHI |
| 分类号 |
G11B7/00;G11B7/0037;G11B7/007;G11B20/10;G11B20/12;G11B20/14;G11B20/18;G11B27/10;G11B27/19;G11B27/24;G11B27/30;(IPC1-7):G11B7/00 |
主分类号 |
G11B7/00 |
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